1. Crop management and soil conservatio
Author: / [by] Joseph F. Cox and Lyman E. Jackson
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Agriculture, United States,Soils,Farm management, United States,Soil conservation, United States
Classification :
SB93
.
C8
2011
2. Crop management and soil conservation
Author: / Joseph F. Cox, Lyman E. Jackson
Library: University of Tabriz Library, Documentation and Publication Center (East Azarbaijan)
Subject: Field crops
Classification :
S623
.
C87